19126280

素因数分解:

$2^3\times 5^1\times {\mathrm{478157}}^1$

素因数の和:478168

約数の個数: 16

約数和(自身を含む): 43034220

約数和(自身を除く): 23907940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478157, 956314, 1912628, 2390785, 3825256, 4781570, 9563140, 19126280]

約数ペア:

[(1, 19126280), (2, 9563140), (4, 4781570), (5, 3825256), (8, 2390785), (10, 1912628), (20, 956314), (40, 478157)]